The Chattanooga Choo Choo is long gone, but the Tennessee city has much more to offer

CHATTANOOGA, Tenn. -- Growing up in St. Louis, we often drove the family truckster (station wagon) to Florida to visit relatives. And whenever we passed through Chattanooga, my dad belted out a few lines: "Pardon me boy ... is this the Chattanooga Choo Choo?"